public class WaitingImageObserver extends Object implements ImageObserver, Serializable, Cloneable
ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH
Constructor and Description |
---|
WaitingImageObserver(Image image)
Creates a new
ImageObserver for the given Image . |
Modifier and Type | Method and Description |
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Object |
clone()
Deprecated.
cloning may lock down the observer
|
boolean |
imageUpdate(Image img,
int infoflags,
int x,
int y,
int width,
int height)
Callback function used by AWT to inform that more data is available.
|
boolean |
isError()
Returns true if there is an error condition, and false otherwise.
|
boolean |
isLoadingComplete()
Returns
true if loading is complete, and false
otherwise. |
void |
waitImageLoaded()
The workerthread.
|
public WaitingImageObserver(Image image)
ImageObserver
for the given Image
.
The observer has to be started by an external thread.image
- the image to observe (null
not permitted).public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height)
imageUpdate
in interface ImageObserver
img
- the image being observed.infoflags
- the bitwise inclusive OR of the following
flags: WIDTH
, HEIGHT
,
PROPERTIES
, SOMEBITS
,
FRAMEBITS
, ALLBITS
,
ERROR
, ABORT
.x
- the x coordinate.y
- the y coordinate.width
- the width.height
- the height.false
if the infoflags indicate that the
image is completely loaded; true
otherwise.public void waitImageLoaded()
public Object clone() throws CloneNotSupportedException
clone
in class Object
CloneNotSupportedException
- this should never happen.public boolean isLoadingComplete()
true
if loading is complete, and false
otherwise.public boolean isError()
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